How to say in Czech: Do we know this lady?

English
Do know this
Czech
Známe tuhle paní?
Does anybody know this lady?
What is this lady doing here?
Who is this lady?
Why is this lady here?
Do we know each other?
Do we know her address?
Do we know Miss Nováková?
He knows what we did last year.
He knows what we did yesterday.
They don’t know what we mean by that.

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